DP Biology (last assessment 2024)
Question 18N.3.HL.TZ0.6c.i
Date | November 2018 | Marks available | [Maximum mark: 2] | Reference code | 18N.3.HL.TZ0.6c.i |
Level | HL | Paper | 3 | Time zone | TZ0 |
Command term | Define | Question number | c.i | Adapted from | N/A |
c.i.
[Maximum mark: 2]
18N.3.HL.TZ0.6c.i
A patient was asked to trace a line between two guidelines of a star shape, starting at point S (see star image) while viewing the star in a mirror. The graph shows the number of times the patient strayed outside the boundaries while drawing the star in each trial for both hands.
[Reprinted from Neuron, 20(3), Brenda Milner, Larry R. Squire and Eric R. Kande, 'Cognitive neuroscience and the study of memory',
pp. 445–468, Copyright (1998), with permission from Elsevier. https://www.sciencedirect.com/journal/neuron]
(c.i)
Define, with an example, operant conditioning.
[2]
Markscheme
a. learning by trial and error
OR
reward/punishment to reinforce behaviour ✔
b. example ✔
eg: mice given food when finding their way across a maze will perform better the second time
